The correct option is A Vidyaranya
The idea of the Vijayanagara Empire was initially put forth by Vidyaranya, who was the head of the Saivite Sringeri Mutt. It is said that he instructed the brothers, Harihara and Bukka, the founders of the Vijayanagara Empire, to give up their services to the Tughlaqs and save their kingdom from Muslim domination.